(mīn) noun
1. An excavation for digging out some useful product, as ore or coal.
2. Any deposit of such material suitable for excavation.
3. An underground tunnel dug beneath an enemy's fortifications, as for the placement of an explosive charge.
4. A case containing such a charge buried in the earth, or floating on or near, or anchored beneath, the surface of the water.
5. Any productive source of supply.
6. A burrow made by an insect.
—bounding mine A land mine set just beneath the surface of the ground and designed to rise a few feet in the air before exploding its charge of shrapnel and fragments.
—land mine A high–explosive or chemical mine, actuated by the weight of a person, troops, or vehicles.
—v. mined, min·ing v.t.
1. To dig (coal, ores, etc.) from the earth.
2. To dig into (the earth, etc.) for coal, ores, etc.
3. To make by digging, as a tunnel; burrow.
4. To dig a tunnel under, as for placing an explosive mine; sap.
5. To attack or destroy by slow or secret means; undermine.
6. To place an explosive mine or mines in or under: to mine a harbor.
—v.i.
7. To dig in a mine for coal, ores, etc.; work in a mine.
8. To make a tunnel, etc., by digging; burrow.
9. To place explosive mines. [<OF <Celtic. Cf. Irish mein vein of metal.]
—min′er noun
MINES
A. Marine mine anchored in harbor entrance.
B. Buried anti–tank mine.
C. Anti–personnel mine (a); inner canister rises and explodes (b).

(mīn) pron.
1. The possessive case of I employed predicatively; belonging or pertaining to me: That book is mine.
2. The things or persons belonging or pertaining to me: His work is better than mine; Fortune has been good to me and mine.
—of mine Belonging or relating to me; my: the double possessive.
—pronominal adjective Archaic My: mine eyes. [OE mīn]